“In the Cascades, broadly, we’re located along a subduction zone,” explained United States Geological Survey (USGS) Research Geologist Emily Johnson. “So that's where there's an oceanic plate that's ...

Mount Rainier (Figure 2.1) is one of about two dozen recently active volcanoes in the Cascade Range, a volcanic arc formed by subduction of the Juan de Fuca plate beneath the North American plate.

At the risk of this blog becoming all volcanoes, all the time, I bring you... more volcanoes! Two of my favorite geobloggers wrote mustn't-miss posts on some of our Cascades volcanoes. They showcase ...

After Mount St. Helens erupted in 1980, experts were faced with a precarious question: How can we best prepare for when—not if—the next volcanic eruption in the Cascade Range occurs? Triggered by a ...

Mount Rainier - one of many volcanoes found in the Cascade Range - is reflecting in the Reflection Lakes in Mount Rainier National Park in Washington State, USA. A seismic survey challenges the ...

Our western volcanoes : an overview -- Plates in motion : the ring of fire, hot spots, and supereruptions -- Magma and mountains : how volcanoes erupt and the landforms they build -- Glaciers on ...

Who will stop the Rain-ier? Scientists are warning that Washington's Mount Rainier could unleash a catastrophic mudslide that has the potential to devastate three large towns within minutes. Often ...

Add Yahoo as a preferred source to see more of our stories on Google. The Morning Glory pool in Yellowstone national park. Yellowstone is underlain by two magma bodies. Michael Juhran/dpa Unlike old ...

New research offers clues as to why Mount St. Helens is one of the most explosive volcanoes in the Cascade range and why it stands apart from the chain of other Cascade volcanoes. Scientists from the ...

The previous chapters reviewed the hazards to property and life from Mount Rainier and outlined research needed to provide for better understanding of their nature and frequency of occurrence. This ...